Apple continues to expand and improve its current plastics division, today posting a new job listing for a Senior Materials Engineer with a specialty in plastics (via 9to5Mac). The position asks for someone experienced with plastics materials to join the iPhone/iPad Materials team.

According to the job notes, Apple is seeking an engineer with 10 or more years in the mold making industry to develop new plastic materials and processes to "meet the structural and aesthetic requirements of a wide range of part designs..."